I´m working in masm32 and I need to show some hex value in a edit box using the API SETTEX , but to do this is necesary to convert de value in a zero terminated ascii string. I prove with de functio htodw and dwtoa of masm32 library but my .exe be closed when I try to show the number in the edit box . ¿Can anyone to help me? ¿Another text API are more easy to use than settext?